DCA Source

Has anyone contacted TCI America as a source of DCA?  This is the source one of the studies Steven has posted used.  I have also heard that Medicore purchases their DCA through them.  I have no direct communication with Medicor regrading the truth regarding their source, but the information has been floating around.  Their 99%+ pure DCA is more expensive than pharma-dca (about 45 percent more), but the source might be more reliable.  Anyway, anyone have any experience with them?  Maybe they only sell to labs and research facilities.